SCIENCE

THE USE OF COLLOIDS IN HEALTH AND DISEASE. By Alfred B. Searle. Constable. 8s.

SCIENCE AND LIFE. Aberdeen Addresses. By Frederick Soddy, F.R.S., Dr. Lee's Professor of Inorganic and Physical Chemistry, University of Oxford. John Murray. 10s. 6d.

ENGINES OF THE HUMAN BODY. By Professor Arthur Keith. Williams & Norgate. 12s. 6d.


THE LONDON
MERCURY

Editor—J. C. SQUIRE Assistant-Editor—EDWARD SHANKS

Vol. I No. 6 April 1920